KERMANI, Hamid; FATEMI, Jalileldin. Cosmic ray propagation in a fractal galactic medium. South African Journal of Science, [S. l.], v. 107, n. 1/2, p. 4 pages, 2011. Disponível em: https://sajs.co.za/article/view/10080. Acesso em: 18 may. 2024.